I cannot ask everybody to be totally selfless: it is not possible. But, if you cannot think of humanity at large, at least think of your country. If you cannot think of you country, think of your community. If you cannot think of your community, think of your family. If you cannot think of your family, at least think of your wife. For heaven's sake do not think merely of yourself.
 

N: After this interesting observation, we could take example of the person who lacks character. Click here.